>>You are right - it did not occur to me at the time. I shall consider doing so this coming weekend. Perhaps a good reason to make the move to Linux. The laptop is "beefy" enough; 8Gb RAM, 2.5Ghz CPU, Lenovo Thinkpad T520 model.
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>There is some interesting reading if you Google [lenovo banned].
Interesting but not conclusive enough. Australia government denies it too. Lenovo does come preinstalled with various services running which call home to look for updates (bios, drivers, etc). I always switch all that off. But there could of course be far deeper, pre O/S backdoors. Who knows...
In the End, we will remember not the words of our enemies, but the silence of our friends - Martin Luther King, Jr.